日本 にっぽん有数 ゆうすうじゃないです
nippon'yūsūjanaidesu

Noun
Desu Copula
no-Adjective
Negation Auxiliary

The polite negative form of 日本有数

1. It's not among the best in Japan.; It's not one of Japan's leading [things].

Negative
Polite
Casual Register